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Aspirator Vacuum Pump

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Chapman, Swirling-Type, Nickel-plated, designed for greater air entrainment capacity. Offers excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure is reduced. 3/8" NPT tapered Water Inlet, Length 5 3/8